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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - intel_audio WARN_ON with Linux v3.19-7478-g796e1c55717e"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89188">89188</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>intel_audio WARN_ON with Linux v3.19-7478-g796e1c55717e
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jwboyer@fedoraproject.org
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>This morning I booted Linus' latest tree which is after the DRM merge. I have
a MacBookPro 10,2 that produces the following backtrace:
[ 1.970292] ------------[ cut here ]------------
[ 1.970319] WARNING: CPU: 0 PID: 107 at
drivers/gpu/drm/i915/intel_audio.c:294 ilk_audio_codec_disable+0x170/0x1b0
[i915]()
[ 1.970321] WARN_ON(!port)
[ 1.970327] Modules linked in: i915 i2c_algo_bit drm_kms_helper drm video
[ 1.970330] CPU: 0 PID: 107 Comm: kworker/u16:6 Not tainted
3.20.0-0.rc0.git7.1.fc23.x86_64 #1
[ 1.970332] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843,
BIOS MBP102.88Z.0106.B03.1211161133 11/16/2012
[ 1.970336] Workqueue: events_unbound async_run_entry_fn
[ 1.970340] 0000000000000000 0000000002cedd04 ffff880087ac7538
ffffffff81876738
[ 1.970343] 0000000000000000 ffff880087ac7590 ffff880087ac7578
ffffffff810ab5da
[ 1.970355] ffff880260750000 ffff880260750000 00000000fffffeee
0000000030000000
[ 1.970356] Call Trace:
[ 1.970359] [<ffffffff81876738>] dump_stack+0x4c/0x65
[ 1.970363] [<ffffffff810ab5da>] warn_slowpath_common+0x8a/0xc0
[ 1.970365] [<ffffffff810ab665>] warn_slowpath_fmt+0x55/0x70
[ 1.970387] [<ffffffffa0102d60>] ilk_audio_codec_disable+0x170/0x1b0 [i915]
[ 1.970408] [<ffffffffa010376e>] intel_audio_codec_disable+0x1e/0x30 [i915]
[ 1.970430] [<ffffffffa013f99d>] intel_disable_dp+0x9d/0xe0 [i915]
[ 1.970462] [<ffffffffa011720a>] ironlake_crtc_disable+0x16a/0x800 [i915]
[ 1.970484] [<ffffffffa01187e4>] __intel_set_mode+0x984/0xb50 [i915]
[ 1.970506] [<ffffffffa011fb8b>] intel_crtc_set_config+0xc4b/0x1030 [i915]
[ 1.970521] [<ffffffffa002ed17>] ? drm_atomic_state_free+0x27/0x60 [drm]
[ 1.970532] [<ffffffffa001e9e9>] drm_mode_set_config_internal+0x69/0x120
[drm]
[ 1.970538] [<ffffffffa00867d8>] restore_fbdev_mode+0xc8/0xf0
[drm_kms_helper]
[ 1.970544] [<ffffffffa0088849>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
[ 1.970548] [<ffffffffa00888c2>] drm_fb_helper_set_par+0x22/0x50
[drm_kms_helper]
[ 1.970573] [<ffffffffa012f25a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[ 1.970604] [<ffffffff8149e518>] fbcon_init+0x588/0x610
[ 1.970608] [<ffffffff8153965c>] visual_init+0xbc/0x120
[ 1.970610] [<ffffffff8153c03e>] do_bind_con_driver+0x17e/0x3c0
[ 1.970613] [<ffffffff8153c7e4>] do_take_over_console+0xb4/0x1b0
[ 1.970616] [<ffffffff81499313>] do_fbcon_takeover+0x63/0xd0
[ 1.970619] [<ffffffff8149f06d>] fbcon_event_notify+0x6dd/0x7e0
[ 1.970624] [<ffffffff810d50f2>] notifier_call_chain+0x62/0x100
[ 1.970627] [<ffffffff810d53a1>] __blocking_notifier_call_chain+0x51/0x70
[ 1.970630] [<ffffffff810d53d6>] blocking_notifier_call_chain+0x16/0x20
[ 1.970633] [<ffffffff814a510b>] fb_notifier_call_chain+0x1b/0x20
[ 1.970635] [<ffffffff814a75c2>] register_framebuffer+0x222/0x370
[ 1.970641] [<ffffffffa0088b54>] drm_fb_helper_initial_config+0x264/0x3c0
[drm_kms_helper]
[ 1.970665] [<ffffffffa013058b>] intel_fbdev_initial_config+0x1b/0x20
[i915]
[ 1.970667] [<ffffffff810d79da>] async_run_entry_fn+0x4a/0x150
[ 1.970669] [<ffffffff810ccc25>] process_one_work+0x215/0x860
[ 1.970672] [<ffffffff810ccb8e>] ? process_one_work+0x17e/0x860
[ 1.970674] [<ffffffff810cd36b>] ? worker_thread+0xfb/0x490
[ 1.970676] [<ffffffff810cd2db>] worker_thread+0x6b/0x490
[ 1.970679] [<ffffffff810cd270>] ? process_one_work+0x860/0x860
[ 1.970681] [<ffffffff810d378f>] kthread+0x11f/0x140
[ 1.970684] [<ffffffff810e9a05>] ? local_clock+0x25/0x30
[ 1.970688] [<ffffffff810d3670>] ? kthread_create_on_node+0x250/0x250
[ 1.970691] [<ffffffff8188077c>] ret_from_fork+0x7c/0xb0
[ 1.970693] [<ffffffff810d3670>] ? kthread_create_on_node+0x250/0x250
[ 1.970695] ---[ end trace d0ffc484dcd1cb40 ]---</pre>
</div>
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